Home / 2,730-4,091.46-1,558.20

Finding the Fourth Proportional to 2,730, 4,091.46 and 1,558.20

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Solution

The fourth proportional to 2,730, 4,091.46 and 1,558.20 is: 2,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730 : 4,091.46 = 1,558.20 : x
  2. Step 2: Convert to fraction form
    2,730/4,091.46 = 1,558.20/x
  3. Step 3: Cross multiply
    2,730x = 4,091.46 × 1,558.20
  4. Step 4: Simplify right side
    2,730x = 6,375,312.97
  5. Step 5: Solve for x
    x = 6,375,312.97/2,730
  6. Step 6: Final answer
    x = 2,335.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.